The failure to do routine maintenance on a key gate valve in the Hetch Hetchy water system contributed to the crisis that briefly cut deliveries in half last month, San Francisco's top utility ...

The primary considerations in slurry valve selection are reliability in function and design, abrasion resistance, and ease of maintenance. In addition, valves with a straight-through, unobstructed ...

For many years, plant operators have battled with leakage problems, searching for valves which will isolate the flow and prevent leaks to the atmosphere, but are often left feeling frustrated and out ...